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A219020 as a simple table

na(n)
11
27
345
4297
52002
613630
793177
8638001
94371235
1029956465
11205313076
121407206412
139645056785
1466107994667
15453110391657
163105663400665
1721286529888422
18145900036590826
191000013702089545
206854195814790005
2146979356835860351
22322001301602738017
232207029753248402600
2415127206968164865112

[1,7,45,297,2002,13630,93177,638001,4371235,
 29956465,205313076,1407206412,9645056785,
 66107994667,453110391657,3105663400665,
 21286529888422,145900036590826,1000013702089545,
 6854195814790005,46979356835860351,
 322001301602738017,2207029753248402600,
 15127206968164865112]